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I am not in this earth by chance. I am here for a purpose and that purpose is to grow into a mountain, not to shrink to a grain of sand. Henceforth will I apply all my efforts to become the highest mountain of all and I will strain my potential until it cries for mercy.

The moving power of mathematical invention is not reasoning but imagination.

Augustus De Morgan


11h
awarded  Constituent
Dec
17
comment Need some facts about Newton-Schulz iterative method and its application to sparse matrices
de Thanks for the answer. It helped me a lot.:)
Dec
17
accepted Need some facts about Newton-Schulz iterative method and its application to sparse matrices
Dec
14
comment Need some facts about Newton-Schulz iterative method and its application to sparse matrices
Dear sir, thank you very much for the answer. But, I want to know I want to know whether Newton's method work well for sparse matrices? Also, whether for the sparse matrix $A$, its inverse $V_k$ by Newton's method preserves sparsity?
Dec
12
reviewed Approve Are there 2p elements of order p in $\mathbb{Z}_p \times\mathbb{Z}_p$?
Dec
11
awarded  Famous Question
Dec
10
reviewed Approve Proof NP-Complete for $L = \{G, T \mid G \text{ is a graph with a spanning tree isomorphic to } T\}$
Dec
10
accepted Real numbers equipped with the metric $ d (x,y) = | \arctan(x) - \arctan(y)| $ is an incomplete metric space
Dec
10
comment Real numbers equipped with the metric $ d (x,y) = | \arctan(x) - \arctan(y)| $ is an incomplete metric space
Thanks for answer. :)
Dec
10
comment Real numbers equipped with the metric $ d (x,y) = | \arctan(x) - \arctan(y)| $ is an incomplete metric space
Thanks for answering. :)
Dec
10
awarded  Nice Question
Dec
9
reviewed Approve Solving limit without L'Hôpital
Dec
9
reviewed Approve Removing one 1 from real number $0.111111…$
Dec
9
reviewed Approve Verify question about complements
Dec
9
asked Need some facts about Newton-Schulz iterative method and its application to sparse matrices
Dec
9
awarded  Caucus
Dec
5
reviewed Approve Are there numbers such that A + B = 10A+B?
Dec
5
accepted Matlab help to construct matrices with specified rank and such that each eigenvalue is real
Dec
5
comment Matlab help to construct matrices with specified rank and such that each eigenvalue is real
@little0 Many many thanks to you. :)
Dec
4
comment Matlab help to construct matrices with specified rank and such that each eigenvalue is real
@littleO But it is mentioned that they are eigenvalues. This is something making me confuse.